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DP83867IS: Ethernet Forum

ttd
Mastermind 8600 points
Part Number: DP83867IS
Other Parts Discussed in Thread: DP83822EVM

Dear Technical Support Team,

I have a question about DP83867IS.

I'd like to use only 10/100 (No 1000  ⇒　TD_M_C、TD_P_C、TD_M_D、TD_P_D are all open.).

I have been finding transformer and RJ45 for 10/100 configuration.

For example, DP83822EVM has HX1188FNLT and 1-406541-1.

Is it possible to chose ones close to spec of transformer and RJ-45 of DP83822EVM for DP83867IS?

http://www.tij.co.jp/jp/lit/ug/snlu179/snlu179.pdf

https://productfinder.pulseeng.com/products/datasheets/HX1188FNL.pdf

https://datasheet.ciiva.com/14619/70042871-14619116.pdf

Best Regards,

ttd

  • 0
    TI__Mastermind 18425 points
    Hello ttd,

    The transformer electrical specifications are mentioned in the DP83822 datasheet. If you select a component that meets that requirement, it should work.

    Using DP83867IS in 10/100M is acceptable. Please note that 1G advertisement will still be active even if Channel C and Channel D are not connected. In this case, you can disable advertisement of 1G by register configuration. This will make sure that the PHY only links in 10/100 mode.

    -Regards,
    Aniruddha
  • 0 in reply to Aniruddha Khadye
    Mastermind 8600 points
    Hi Aniruddha,

    Thank you for your reply.
    I am searching RJ-45 integrated transformer(1chip ).
    So I refer the recommendation of transformers in in the DP83822 datasheet to chose it.

    Best Regards,
    ttd